If using a hammock, there is always the Snugpak under blanket, which can be used in conjunction with a centre zip sleeping bag such as as the Snugpak Special Forces 1,2 or Combo.
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.